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参数资料
| 型号： | TC1041 |
| 厂商： | Microchip Technology Inc. |
| 英文描述： | Linear Building Block . Dual Low Power Comparator and Voltage Reference with Programmable Hysteresis |
| 中文描述： | 线性积木。双低功率比较器和可编程参考电压迟滞 |
| 文件页数： | 5/14页 |
| 文件大小： | 443K |
| 代理商： | TC1041 |
2002 Microchip Technology Inc.
DS21346B-page 5
TC1041
4.0
TYPICAL APPLICATIONS
The
applications, particularly in battery powered systems. It
typically finds application in power management,
processor supervisory and interface circuitry.
TC1041
lends
itself
to
a
wide
variety
of
4.1
Precision Battery Monitor
Figure 4-1 is a precision battery low/battery dead
monitoring circuit. Typically, the battery low output
warns the user that a battery dead condition is
imminent. Battery dead typically initiates a forced
shutdown to prevent operation at low internal supply
voltages (which can cause unstable system operation).
The circuit in Figure 4-1 uses a TC1034, a TC1041 and
only six external resistors. AMP 1 is a simple buffer
while CMPTR1 and CMPTR2 provide precision voltage
detection using V
REF
as a reference. Resistors R2 and
R4 set the detection threshold for BATT LOW while
Resistors R1 and R3 set the detection threshold for
BATT FAIL. The component values shown assert
BATT LOW at 2.2V (typical) and BATT FAIL at 2.0V
(typical). Total current consumed by this circuit is
typically 16
μ
A at 3V. Resistors R5 and R6 provide
hysteresis of 116mV for both comparators.
FIGURE 4-1:
PRECISION BATTERY MONITOR
V
DD
V
DD
V
DD
R2, 430k, 1%
R4, 470k, 1%
R3, 470k, 1%
R1, 300k, 1%
V
REF
To System DC/DC
Converter
3V
Alkaline
TC1041
BATTFAIL
BATTLOW
CMPTR1
–
+
CMPTR2
+
–
AMP1
–
+
+
TC1034
TC1041
TC1041
HYST
51k
R6
R5
1M
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC1041CEOA | 功能描述:校验器 IC Dual Lw Pwr & VR Hys RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| TC1041CEOATR | 功能描述:校验器 IC Dual Lw Pwr & VR Hys RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| TC1041CEUA | 功能描述:校验器 IC Dual Lw Pwr & VR Hys RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| TC1041CEUATR | 功能描述:校验器 IC Dual Lw Pwr & VR Hys RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| TC1043 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Linear Building Block . Low Power Voltage Reference with Dual Op Amp, Dual Comparator, and Shutdown Mode |
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